SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol

katmai

October 22, 2019 12:23

i did an upgrade from 82 to 84 last night and i am getting this error suddenly: (SSL_accept): error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol i tried setting weak ciphers on and disabled that require ssl/tls but still no dice. anyone got any ideas what's going on? cheers.

Comments

5 comments

cPanelLauren

October 22, 2019 18:50
Hello, Where are you getting this error exactly? The cause of the issue is something is attempting to make a connection using SSL where SSL is not an accepted protocol.
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katmai

October 22, 2019 19:36
in exim_mainlog
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cPanelLauren

October 22, 2019 20:18
Hello, Thanks! In this case it's because a mail client is attempting to make a connection to your mail server to send mail using an SSL connection. There are a lot of threads on this issue already, you may like to see the following:
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katmai

October 23, 2019 08:34

i don't think so.

Service Check Method	The system failed to connect to this service"s TCP/IP port.
Reason	TCP Transaction Log: << 220-snowhite.xsbhosting.com ESMTP Exim 4.92 #2 Wed, 23 Oct 2019 04:09:28 -0400 << 220-We do not authorize the use of this system to transport unsolicited, << 220 and/or bulk e-mail. >> EHLO localhost << 250-snowhite.xsbhosting.com Hello snowhite.xsbhosting.com [127.0.0.1] << 250-STARTTLS << 250-SIZE 52428800 << 250-8BITMIME << 250-AUTH PLAIN LOGIN << 250-SIZE 52428800 << 250 HELP >> AUTH PLAIN AF9fY3BhbmVsX19zZXJ2aWNlX19hdXRoX19leGltX19BQk5nTzgzTmYwVzUxOHNwNWlaS2lTTFNsOUJubmFJVHdjU203SVcxQmVJVWxZNkd4WVhEZmJSdGpzVjdLZk9XAFFTTWd5Z0tWaTkwZnNXWGIzbDNodXFrU2lYZEw0QkpseFBnQ3J5QXZnUVV4NmRvQmRyWU85Zzh1d09NRXRYQzc= Timeout while trying to get data from service: Died

Service Check Method

The system failed to connect to this service"s TCP/IP port.

Reason

TCP Transaction Log: << 220-snowhite.xsbhosting.com ESMTP Exim 4.92 #2 Wed, 23 Oct 2019 04:09:28 -0400 << 220-We do not authorize the use of this system to transport unsolicited, << 220 and/or bulk e-mail. >> EHLO localhost << 250-snowhite.xsbhosting.com Hello snowhite.xsbhosting.com [127.0.0.1] << 250-STARTTLS << 250-SIZE 52428800 << 250-8BITMIME << 250-AUTH PLAIN LOGIN << 250-SIZE 52428800 << 250 HELP >> AUTH PLAIN AF9fY3BhbmVsX19zZXJ2aWNlX19hdXRoX19leGltX19BQk5nTzgzTmYwVzUxOHNwNWlaS2lTTFNsOUJubmFJVHdjU203SVcxQmVJVWxZNkd4WVhEZmJSdGpzVjdLZk9XAFFTTWd5Z0tWaTkwZnNXWGIzbDNodXFrU2lYZEw0QkpseFBnQ3J5QXZnUVV4NmRvQmRyWU85Zzh1d09NRXRYQzc= Timeout while trying to get data from service: Died

i also get chksrvd errors. i did upcp --force but didn't get fixed either.

cPanelLauren

October 23, 2019 15:04
The error you're getting is very specific though. (SSL_accept): error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol
The SSL protocol is not being recognized as TLS only is being used due to vulnerabilities with the SSL protocol. The connection will die because the protocol isn't recognized. What are the chkservd errors you're receiving?
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